GRAPHTEC MP303-04 - Using Character Dump Mode; Character Dump Mode Procedure

5-4
■ Using the Character Dump Mode
This mode allows experienced users to detect the cause of communication problems between the plotter and
the computer. In Character Dump mode, the plotter produces an exact printout of the codes it receives, printing
character data as ASCII codes and the non-character (control) data as two-digit hexadecimal values (e.g., 0A:
Line Feed, 0D: Carriage Return).
■ Procedure
(1) Mount a pen in the pen station's Pen 1 position.
(2) Place a sheet of paper on the writing panel.
(3) Hold down the key while you turn on the plotter.
The plotter is initialized.
CharDump
Mode
(4) Secure the paper.
The prompt below is displayed to prompt you to press the
CHART HOLD
key.
Set
Paper!
(5) Once the paper is secured, the PROMPT lamp on the plotter blinks.
The prompt below is displayed.
Press
ENT Key
(6) Press the
ENTER
key to enter Character Dump mode. The plotter prints "** DUMP MODE (V*.** GL) **"
on the paper and then awaits data from the computer. The message below briefly reappears on the dis-
play.
CharDump
Mode
(7) When the computer runs an application program and outputs the data to the plotter, it starts printing the
received data in ASCII format as follows.
Sample printout in Character Dump Mode
To exit Character Dump Mode, turn off the plotter and then turn it back on using only the POWER switch.